Larry Steinle

November 3, 2013

Using the Command Pattern to Store Versionable Data

In the article, Create a Persistent Data Structure, we learned the fundamental theories to provide versionable data management within a database. Today’s article moves out of the abstract theory and into a working code sample demonstrating how to create a versionable database using the command pattern.


October 19, 2013

Create a Persistent Data Structure

Occasionally I encounter a business need to track all changes allowing a user to view the data as it currently is stored or as it was stored. Having the ability to view the structure of a system from a previous point of reference is called a historical database or a persistent data structure. In this article we will review various strategies to create a persistent data structure. In the next article I will demonstrate how to create a persistent data structure.

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